Publications

Preprint

• Kakinuma, K., & Izuma, K. (2025). The timing and frequency of instruction to foster new learning: Comparing cognitive and motivational strategies in category learning. [PsyArXiv]

• Kobayashi, A., Makino, T., Mizuno, Y., Kosaka, H., Izuma, K. (2025). Informational and normative influence on conformity in autism. [bioRxiv]

Full Publication List

1. Izuma, K., Ito, A., Yoshida, K., & Aoki, R. (2025). Self-referential judgments from the same personality trait scales show increased representational similarity in mPFC. Communications Psychology.  3, 187. [Open Access]

2. Levorsen, M., Aoki, R., Sedikides, C., & Izuma, K. (2025). Decomposing cognitive processes in the mPFC during self-thinking. Journal of Neuroscience. 45, 1-13. [Open Access]

3. Izuma, K., & Kakinuma, K. (2025). Not only self-views but also any ratings converge without conversations due to reduced noise bias. Proceedings of the National Academy of Sciences, USA. [Letter to the Editor], 122, e2505968122. [Open Access]

4. Kakinuma, K., & Izuma, K. (2025). Actual-ideal discrepancy and intention to change behavior on communication about conflict in close relationships: A within-person experiment. Journal of Social and Personal Relationships, 42, 1952–1981. [Open Access]

5. Sakaki, M., Murayama, K., Izuma, K., Aoki, R., Yomogita, Y., Sugiura, A., Singhi, N., Matsumoto, M., & Mastumoto, K. (2024). Motivated with joy or anxiety: Does approach‑avoidance goal framing elicit differential reward‑network activation in the brain? Cognitive, Affective, & Behavioral Neuroscience, 24, 469-490. [Open Access]

6. Kakinuma, K., & Izuma, K. (2023). Autonomy-supportive teaching algorithm which fosters independent learners. Proceedings of the 45th Annual Conference of the Cognitive Science Society, 45. 174-180. [Open Access]

7. Levorsen, M., Aoki, R., Matsumoto, K., Sedikides, C., & Izuma, K. (2023). The self-concept is represented in the medial prefrontal cortex in terms of self-importance. Journal of Neuroscience, 43, 3675-3686. [Open Access]

8. Yang, Z., Izuma, K., Cai, H. (2023). Nostalgia in the brain. Current Opinion in Psychology, 49, 101523. [PubMed]

9. Yang, Z., Wildschut, T., Izuma, K., Gu, R., Luo, Y.L.L., Cai, H., & Sedikides, C. (2022). Patterns of brain activity associated with nostalgia: A social-cognitive neuroscience perspective. Social Cognitive and Affective Neuroscience, 17, 1131-1144. [Open Access]

10. Yang, Z., Sedikides, C., Izuma, K., Wildschut, T., Kashima, E.S., Luo, Y.L.L., Chen, J., Cai, H. (2021). Nostalgia enhances detection of death threat: Neural and behavioral evidence. Scientific Reports, 11, 12662. [Open Access] 

11. Kajimura, S., Ito, A., & Izuma, K. (2021). Brain knows who is on the same wavelength: Resting-state connectivity can predict compatibility of a female–male relationship. Cerebral Cortex, 31, 5077−5089. [Open Access]

12. Levorsen, M., Ito, A., Suzuki, S., & Izuma, K. (2021). Testing the reinforcement learning hypothesis of social conformity. Human Brain Mapping, 42, 1328-1342. [Open Access]

13. Ito, A., Yoshida, K., Takeda, K., Sawamura, D., Murakami, Y., Hasegawa, A., Sakai, S., & Izuma, K. (2020). The role of the ventromedial prefrontal cortex in automatic formation of impression and reflected impression. Human Brain Mapping, 41, 3045-3058. [Open Access]

14. Wake, S., Aoki, R., Nakahara, K., & Izuma, K. (2019). Elucidating the role of the posterior medial frontal cortex in social conflict processing. Neuropsychologia, 132, 107124. [PubMed]

15. Izuma, K., Aoki, R., Shibata, K., & Nakahara, K. (2019). Neural signals in amygdala predict implicit prejudice toward an ethnic outgroup. NeuroImage, 189, 341-352. [PubMed] 

16. Izuma, K., & Murayama, K. (2019). The neural basis of cognitive dissonance. In E. Harmon-Jones (Ed.), Cognitive dissonance: Reexamining a Pivotal Theory in Psychology (2nd edition). Washington, DC: American Psychological Association.

17. Izuma, K., Kennedy, K., Fitzjohn, A., Sedikides, C., & Shibata, K. (2018). Neural activity in the reward-related brain regions predicts implicit self-esteem: A novel validity test of psychological measures using neuroimaging. Journal of Personality and Social Psychology, 114, 343–357. [PubMed]

18. Bulmer, M., & Izuma, K. (2018). Implicit and explicit attitudes toward sex and romance in asexuals. The Journal of Sex Research, 55, 962-974. [PubMed]

19. Wake, S., & Izuma, K. (2017). A common neural code for social and monetary rewards in the human striatum. Social Cognitive and Affective Neuroscience, 12, 1558–1564. [PubMed]

20. Izuma, K., Shibata, K., Matsumoto, K., & Adolphs, R. (2017). Neural predictors of evaluative attitudes towards celebrities. Social Cognitive and Affective Neuroscience, 12, 382-390. [PubMed]

21. Izuma, K. (2016). The neural bases of social influence on valuation and behavior. In J.C. Dreher & L. Tremblay (Eds). Decision Neuroscience: An Integrative Perspective. Academic Press. pp.199-209.

22. Murayama, K., Izuma, K., Aoki, R., & Matsumoto, K. (2016). “Your choice” motivates you in the brain: The emergence of autonomy neuroscience. In J. Reeve, S. Kim, & M. Bong (Eds). Recent Developments in Neuroscience Research on Human Motivation. Emerald Group Publishing. pp.75-105.

23. Holbrook, C., Izuma, K., Deblieck, C., Fessler, D.M.T., Iacoboni, M. (2016). Neuromodulation of group prejudice and religious belief. Social Cognitive and Affective Neuroscience, 11, 387-394. [PubMed]

24. Takahashi, H*, Izuma, K*, Ohmori, T., Matsumoto, M., & Matsumoto, K. (2015). The anterior insula tracks behavioral entropy during an interpersonal competitive game. PLoS One, 10, e0123329 (* = co-first authors). [Open Access] 

25. Izuma, K. (2015). Attitude change and cognitive consistency. In A. W. Toga (Ed.), Brain Mapping: An Encyclopedic Reference, 3, 247-250. Elsevier.

26. Izuma, K. (2015). Social reward. In A. W. Toga (Ed.), Brain Mapping: An Encyclopedic Reference, 3, 21-23, Elsevier.

27. Izuma, K., Akula, S., Murayama, K., Wu, D., Iacoboni, M., & Adolphs, R. (2015). A causal role for posterior medial frontal cortex in choice-induced preference change. Journal of Neuroscience, 35, 3598-3606. [PubMed]

28. Murayama, K., Matsumoto, M., Izuma, K., Sugiura, A., Ryan, R.M., Deci, E.L., & Matsumoto, K. (2015). How self-determined choice facilitates performance: A key role of the ventromedial prefrontal cortex. Cerebral Cortex, 25, 1241-1251. [PubMed]

29. Aoki, R., Yomogida, Y., Izuma, K., Murayama, K., Sugiura, A., Camerer, C. F., Adolphs, R. & Matsumoto, K. (2014). Social equality in the number of choice options is represented in the ventromedial prefrontal cortex. Journal of Neuroscience, 34, 6413-6421. [PubMed]

30. Izuma, K., & Adolphs, R (2013). Social manipulation of preference in the human brain. Neuron, 78, 563-573. [PubMed]

31. Izuma, K. (2013). The neural basis of social influence and attitude change. Current Opinion in Neurobiology, 23, 456–462. [PubMed] 

32. Izuma, K*, & Murayama, K* (2013). Choice-induced preference change in the free-choice paradigm: a critical methodological review. Frontiers in Psychology, 4, 41. (* = co-first authors) [Open Access]

33. Izuma, K., Matsumoto, M., Murayama, K., Samejima, K., Sadato, N., & Matsumoto, K. (2013). Neural correlates of cognitive dissonance and decision conflict.  Advances in Cognitive Neurodynamics (III), 623-628. 

34. Tanabe, H.C., Kosaka, H., Saito, D.N., Koide, T., Hayashi, M.J., Izuma, K., Komeda, H., Ishitobi, M., Omori, M., Munesue, T., Okazawa, H., Wada, Y., & Sadato, N. (2012). Hard to “tune in”: neural mechanisms of live face-to-face interaction in individuals with high-functioning autistic spectrum disorder. Frontiers in Human Neuroscience, 6, 268. [Open Access]

35. Izuma, K. (2012). The social neuroscience of reputation. Neuroscience Research, 72, 283-288. [PubMed]

36. Izuma, K., Matsumoto, K., Camerer, C.F., & Adolphs, R. (2011). Insensitivity to social reputation in autism. Proceedings of the National Academy of Sciences, USA., 108, 17302-17307. [PubMed]

37. Izuma, K., Matsumoto, M., Murayama, K., Samejima, K., Sadato, N., & Matsumoto, K. (2010). Neural correlates of cognitive dissonance and choice-induced preference change. Proceedings of the National Academy of Sciences, USA., 107, 22014-22019. [PubMed]

38. Murayama, K., Matsumoto, M., Izuma, K., & Matsumoto, K. (2010). Neural basis of the undermining effect of monetary reward on intrinsic motivation. Proceedings of the National Academy of Sciences, USA., 107, 20911-20916. [PubMed]

39. Saito, D.N., Tanabe, H.C., Izuma, K., Hayashi, M.J., Morito, Y., Komeda, H., Uchiyama, H., Kosaka, H., Okazawa, H., Fujibayashi, Y., & Sadato, N. (2010). “Stay tuned”: Inter-individual neural synchronization during mutual gaze and joint attention. Frontiers in Integrative Neuroscience, 4, 127. [Open Access]

40. Izuma, K., Saito, D.N., & Sadato, N. (2010). The role of medial prefrontal cortex and striatum in processing one’s reputation. Social Neuroscience, 5, 133-147. [PubMed]

41. Izuma, K., Saito, D.N., & Sadato, N. (2010). Processing of the incentive for social approval in the ventral striatum during charitable donation. Journal of Cognitive Neuroscience, 22, 621-631. [PubMed]

42. Izuma, K., Saito, D.N., & Sadato, N. (2008). Processing of social and monetary rewards in the human striatum. Neuron, 58, 284-294. [PubMed]